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For over 50 years since 1970, Shandong Huilong Electrical Material Co., Ltd. has specialized in manufacturing premium magnet wires for demanding applications. Our 200°C heat-resistant enameled copper wire is engineered specifically for solar inverter transformers, where operational reliability is non-negotiable. With ISO-certified production across our 10,000-30,000 sqm facility, we deliver wires that maintain insulation integrity under extreme thermal stress, directly enhancing your transformer's lifespan and efficiency.
Core Technical Advantages:
- Exceptional Thermal Endurance: Polyimide-based enamel formulation withstands continuous 200°C operation without degradation
- Optimized Electrical Performance: Ultra-thin insulation (down to 0.05mm) maximizes copper fill factor in windings
- Corrosion Resistance: Triple-layer coating prevents oxidation in high-humidity environments
- Mechanical Durability: Withstands 30+ bends at 180° without cracking (IEC 60851 standard)
| Parameter | Standard Range | Custom Options |
|---|---|---|
| Conductor Diameter | 0.2mm - 3.0mm | 0.1mm - 5.0mm |
| Dielectric Strength | > 8000 VAC | Up to 12,000 VAC |
| Thermal Class | 200°C (Class C) | 220°C available |
Solar inverter manufacturers gain critical benefits including 15-20% space reduction in transformer designs and up to 30% longer operational life compared to standard 180°C wires. The wire's thermal stability prevents insulation breakdown during peak load cycles, significantly reducing failure rates in field applications.
Trusted Global Implementation:
Backed by over $100 million in annual exports through Qingdao/Shanghai ports, our wires power solar installations across 6 continents. With certifications including ISO9001 and OHSAS18001, we maintain batch-to-batch consistency for OEMs in North America, Europe and Asia. Choose Huilong for transformer wires that deliver:
- Zero thermal runaway incidents in 5-year track record
- 30-day lead time for custom specifications
- Technical support from 51-100 specialized engineers
Frequently Asked Questions:
Q: What makes this wire suitable for solar inverters?
A: Solar inverters experience frequent thermal cycling. Our wire maintains flexibility and insulation resistance through 10,000+ thermal cycles from -40°C to 200°C.
Q: Can you provide RoHS compliance documentation?
A: Yes, all wires meet RoHS 3 directives with full material disclosure reports available.
Q: What packaging options are available?
A: Standard wooden spools (5-500kg), with vacuum-sealed moisture barrier options for tropical climates.
Q: How does the enamel withstand high temperatures?
A: We use modified polyester-imide resin with nano-ceramic particles that create a thermal barrier at molecular level.
Q: What quality controls are implemented?
A: Every batch undergoes: 1) Continuous online diameter monitoring 2) Statistical process control 3) Final HIPOT testing per IEC 60317-0-1.
Q: Can I request custom conductor shapes?
A: Rectangular and square profiles available for high-density windings with minimized air gaps.
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